Python implements the method of merging txt in a directory into a large TXT file

This example describes the Python implementation of the method of merging txt into a large TXT file in the directory. Share to everyone for your reference. Specific as follows:

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#coding =gbkimport osimport sysimport globdef dirtxttolargetxt (dir,outputfilename):  "read all txt files from dir directory, Write them into the outputfilename. "  #如果dir不是目录返回错误  if not Os.path.isdir (dir):    print" error passed in parameter%s is not a directory "%dir    Return False  #list all txt files in dir  outputFile = open (OutputFileName, "a") for  txtfile in Glob.glob (os.pat H.join (dir, "*.txt")):    print txtfile    inputfile = open (txtfile, "RB") for line in    Inputfile:      Outputfile.write (line)  return trueif __name__ = = "__main__":  If Len (SYS.ARGV) < 3:    print "usage:%s Dir outputfilename "%sys.argv[0"    sys.exit ()  dirtxttolargetxt (sys.argv[1],sys.argv[2])

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